[PATCH] D83702: [AIX]Generate debug info for static init related functions

[Xiangling Liao via Phabricator via cfe-commits]

Xiangling_L updated this revision to Diff 277831.
Xiangling_L marked 6 inline comments as done.
Xiangling_L added a comment.

Simplified the testcase;


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83702/new/

https://reviews.llvm.org/D83702

Files:
  clang/lib/CodeGen/CGDeclCXX.cpp
  clang/lib/CodeGen/ItaniumCXXABI.cpp
  clang/test/CodeGenCXX/aix-static-init-debug-info.cpp


Index: clang/test/CodeGenCXX/aix-static-init-debug-info.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGenCXX/aix-static-init-debug-info.cpp
@@ -0,0 +1,64 @@
+// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -emit-llvm -x c++ \
+// RUN:     -debug-info-kind=limited < %s | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK64 %s
+
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -emit-llvm -x c++ \
+// RUN:     -debug-info-kind=limited  < %s | \
+// RUN:   FileCheck --check-prefixes=CHECK,CHECK64 %s
+
+struct X {
+  X();
+  ~X();
+};
+
+X v;
+
+// CHECK: define internal void @__cxx_global_var_init() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR16:[0-9]+]] {
+// CHECK: entry:
+// CHECK:   call void @_ZN1XC1Ev(%struct.X* @v), !dbg ![[DBGVAR19:[0-9]+]]
+// CHECK:   %0 = call i32 @atexit(void ()* @__dtor_v) [[ATTR:#[0-9]+]], !dbg ![[DBGVAR19]]
+// CHECK:   ret void, !dbg ![[DBGVAR19]]
+// CHECK: }
+
+// CHECK: define internal void @__dtor_v() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR20:[0-9]+]] {
+// CHECK: entry:
+// CHECK:   call void @_ZN1XD1Ev(%struct.X* @v), !dbg ![[DBGVAR21:[0-9]+]]
+// CHECK:   ret void, !dbg ![[DBGVAR21]]
+// CHECK: }
+
+// CHECK: define internal void @__finalize_v() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR22:[0-9]+]] {
+// CHECK: entry:
+// CHECK:   %0 = call i32 @unatexit(void ()* @__dtor_v) [[ATTR:#[0-9]+]], !dbg ![[DBGVAR24:[0-9]+]]
+// CHECK:   %needs_destruct = icmp eq i32 %0, 0, !dbg ![[DBGVAR24]]
+// CHECK:   br i1 %needs_destruct, label %destruct.call, label %destruct.end, !dbg ![[DBGVAR24]]
+
+// CHECK: destruct.call:
+// CHECK:   call void @__dtor_v(), !dbg ![[DBGVAR24]]
+// CHECK:   br label %destruct.end, !dbg ![[DBGVAR24]]
+
+// CHECK: destruct.end:
+// CHECK:   ret void, !dbg ![[DBGVAR24]]
+// CHECK: }
+
+// CHECK: define void @__sinit80000000_clang_c3236cbaa79f2bae3a15e6379a05f625() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR25:[0-9]+]] {
+// CHECK: entry:
+// CHECK:   call void @__cxx_global_var_init(), !dbg ![[DBGVAR26:[0-9]+]]
+// CHECK:   ret void
+// CHECK: }
+
+// CHECK: define void @__sterm80000000_clang_c3236cbaa79f2bae3a15e6379a05f625() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR27:[0-9]+]] {
+// CHECK: entry:
+// CHECK:   call void @__finalize_v(), !dbg ![[DBGVAR28:[0-9]+]]
+// CHECK:   ret void
+// CHECK: }
+
+// CHECK: ![[DBGVAR16]] = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
+// CHECK: ![[DBGVAR19]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR16]])
+// CHECK: ![[DBGVAR20]] = distinct !DISubprogram(name: "__dtor_v", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
+// CHECK: ![[DBGVAR21]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR20]])
+// CHECK: ![[DBGVAR22]] = distinct !DISubprogram(linkageName: "__finalize_v", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
+// CHECK: ![[DBGVAR24]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR22]])
+// CHECK: ![[DBGVAR25]] = distinct !DISubprogram(linkageName: "__sinit80000000_clang_c3236cbaa79f2bae3a15e6379a05f625", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, type: !{{[0-9]+}}, flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
+// CHECK: ![[DBGVAR26]] = !DILocation(line: 0, scope: ![[DBGVAR25]])
+// CHECK: ![[DBGVAR27]] = distinct !DISubprogram(linkageName: "__sterm80000000_clang_c3236cbaa79f2bae3a15e6379a05f625", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, type: !{{[0-9]+}}, flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
+// CHECK: ![[DBGVAR28]] = !DILocation(line: 0, scope: ![[DBGVAR27]])
Index: clang/lib/CodeGen/ItaniumCXXABI.cpp
===================================================================
--- clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -4567,7 +4567,8 @@
   CodeGenFunction CGF(CGM);
 
   CGF.StartFunction(GlobalDecl(), CGM.getContext().VoidTy, StermFinalizer, FI,
-                    FunctionArgList());
+                    FunctionArgList(), D.getLocation(),
+                    D.getInit()->getExprLoc());
 
   // The unatexit subroutine unregisters __dtor functions that were previously
   // registered by the atexit subroutine. If the referenced function is found,
Index: clang/lib/CodeGen/CGDeclCXX.cpp
===================================================================
--- clang/lib/CodeGen/CGDeclCXX.cpp
+++ clang/lib/CodeGen/CGDeclCXX.cpp
@@ -246,7 +246,8 @@
   CodeGenFunction CGF(CGM);
 
   CGF.StartFunction(GlobalDecl(&VD, DynamicInitKind::AtExit),
-                    CGM.getContext().VoidTy, fn, FI, FunctionArgList());
+                    CGM.getContext().VoidTy, fn, FI, FunctionArgList(),
+                    VD.getLocation(), VD.getInit()->getExprLoc());
 
   llvm::CallInst *call = CGF.Builder.CreateCall(dtor, addr);
 


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